Have a look at the man page for printf:
man 3 printf
Answer: Only A and C
Explanation: Default constructor is a constructor that has parameters with the values that are default or has no arguments/parameter present. Default constructor is not declared in the class rather it gets generated by itself when not defined.
Class is defined with data members, functions, objects etc are considered as per the requirement given by the user .It is the user defined concept.
Statement (B) is incorrect because static method is used for accessing the static members of the particular class and manipulate the value of it.
Thus, only statement (A) and (C) are correct.
I'm guessing your television if it's a flat screen
Answer:
Passive security attack are the unauthorized disclosure in the network attack. In this type of security attack a system are use for monitoring and sometimes scanning the open port. It basically include the monitoring the unprotected data and traffic analysis.
On the other hand, active security system modify the transmitted data and gain the unauthorized access from the computer system.
This type of security attack basically monitor the file transfer and electronic mail from the attacks which can be pass in the form of viruses in the computer system.
Answer: bar code
Explanation: that is what it is